return getProperty(HANDLE_STATE_DIR, 
        System.getProperty("user.home") + "/.jcifs/handles");
}
```

## 8. Testing Strategy

### 8.1 Unit Tests
```java
package jcifs.tests.smb3;

import org.junit.Test;
import static org.junit.Assert.*;

public class PersistentHandleTest {
    
    @Test
    public void testHandleGuidGeneration() {
        HandleGuid guid1 = new HandleGuid();

import com.google.common.testing.EqualsTester;
import java.util.Collections;
import java.util.List;
import java.util.NoSuchElementException;
import junit.framework.TestCase;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Unit test for {@link Range}.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@NullMarked
public class RangeTest extends TestCase {

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.collect;

import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for {@code ImmutableCollection}.
 *
 * @author Louis Wasserman
 */
@NullUnmarked

 * the License.
 */

/** Guava Testlib */
module com.google.common.testlib {
  requires java.logging;
  requires transitive com.google.common;
  requires transitive junit;
  requires static com.google.errorprone.annotations;
  requires static com.google.j2objc.annotations;
  requires static org.jspecify;

  exports com.google.common.collect.testing;

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.convert;

import junit.framework.TestCase;

/**
 * @author higa
 *
 */
public class BooleanConversionUtilTest extends TestCase {

    /**
     * @throws Exception
     */
    public void testToBoolean() throws Exception {

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.convert;

import junit.framework.TestCase;

/**
 * @author shinsuke
 *
 */
public class StringConversionUtilTest extends TestCase {
    /**
     * @throws Exception
     */

import static org.mockito.Mockito.verify;

import com.google.common.util.concurrent.UncaughtExceptionHandlers.Exiter;
import com.google.common.util.concurrent.UncaughtExceptionHandlers.RuntimeWrapper;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * @author Gregory Kick
 */
@NullUnmarked
public class UncaughtExceptionHandlersTest extends TestCase {

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.suggest.normalizer;

import junit.framework.TestCase;

public class ICUNormalizerTest extends TestCase {
    public void test_FullwidthHalfwidth() {
        ICUNormalizer normalizer = new ICUNormalizer("Fullwidth-Halfwidth");

 * limitations under the License.
 */

package com.google.common.testing;

import static com.google.common.base.Preconditions.checkNotNull;
import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertTrue;

import com.google.common.annotations.GwtCompatible;
import com.google.common.base.Equivalence;
import com.google.common.collect.Iterables;

import static com.google.common.collect.Maps.immutableEntry;
import static java.util.Collections.singleton;
import static java.util.Collections.unmodifiableList;
import static junit.framework.TestCase.assertEquals;
import static junit.framework.TestCase.assertTrue;
import static junit.framework.TestCase.fail;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.ArrayListMultimap;